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    • 6. 发明授权
    • Displacement information detection apparatus
    • 位移信息检测装置
    • US5272512A
    • 1993-12-21
    • US996852
    • 1992-12-21
    • Hidejiro KadowakiHiroshi SugiyamaYasuhiko IshidaMakoto Takamiya
    • Hidejiro KadowakiHiroshi SugiyamaYasuhiko IshidaMakoto Takamiya
    • G01S17/58G01P3/36
    • G01S17/58
    • An apparatus for detecting velocity of an object, includes a light source for generating light having a wavelength .lambda., a light-transmission block for receiving the light from the light source, and guiding the light onto the object, and a photosensor for detecting the light from the object on which the light from the light-transmission block is incident. The light-transmission block is integrally constituted by a diffraction grating for diffracting the light from the light source to produce two diffraction lights, and an optical element for causing the two diffraction lights from the diffraction grating to be incident onto the object at a predetermined incident angle. The diffraction grating and the optical element are arranged so as to have substantially constant sin.theta./.lambda. independently of a change in wavelength .lambda. of the light from the light source where .theta. is the incident angle of each diffraction light onto the object. A velocity of the object is detected through detection by the photosensor.
    • 一种用于检测物体的速度的装置包括用于产生具有波长λ的光的光源,用于接收来自光源的光并将光引导到物体上的光传输块,以及用于检测光的光传感器 来自光传输块的光入射的物体。 光传输块由衍射光栅一体地构成,用于衍射来自光源的光以产生两个衍射光,并且用于使来自衍射光栅的两个衍射光在预定事件处入射到物体上的光学元件 角度。 衍射光栅和光学元件被布置成独立于来自光源的光的波长λ的变化,具有基本恒定的sinθ/λ,其中θ是每个衍射光到物体上的入射角。 通过光传感器的检测来检测物体的速度。
    • 8. 发明授权
    • Engine control apparatus including A/D converter failure detection
element and method therefor
    • 发动机控制装置,包括A / D转换器故障检测元件及其方法
    • US5184302A
    • 1993-02-02
    • US647967
    • 1991-01-30
    • Yasuhiko IshidaKatsuhiko Kondo
    • Yasuhiko IshidaKatsuhiko Kondo
    • F02D43/00F02D41/22F02D41/24F02D41/26F02D45/00
    • F02D41/28F02D41/22F02D41/266
    • An engine control apparatus includes an operational condition detecting device for detecting the operational condition of an engine, an A/D converter for converting an analog output from the operational condition detecting device into a digital output, an abnormality detecting device for detecting an abnormality in the A/D converter, an arithmetic circuit for calculating a control quantity for the engine based on the digital output of the A/D converter and a driver for actuating selected devices included in the engine in accordance with the control quantity. According to one aspect of the invention, the control quantity for the engine is replaced by a control quantity calculated based on a previously determined fixed value based on whether an abnormal state in the A/D converter is detected. According to another aspect of the invention, the driver performs the actuation of the sections of the engine in accordance with a control quantity from a backup circuit, which resets the arithmetic circuit when an abnormal state in the A/D converter is detected. Methods of operating a control system in the event of A/D converter failure are also discussed.
    • 一种发动机控制装置,包括用于检测发动机的运转状况的运转状态检测装置,将来自运转状态检测装置的模拟输出转换成数字量输出的A / D转换器,检测上述运转状态检测装置的异常的异常检测装置 A / D转换器,用于基于A / D转换器的数字输出计算发动机的控制量的运算电路和用于根据控制量致动包括在发动机中的选定装置的驱动器。 根据本发明的一个方面,基于是否检测到A / D转换器中的异常状态,将基于先前确定的固定值计算的控制量替换为发动机的控制量。 根据本发明的另一方面,驱动器根据来自备用电路的控制量来执行发动机的各部分的动作,该备用电路当检测到A / D转换器中的异常状态时复位运算电路。 还讨论了在A / D转换器故障的情况下操作控制系统的方法。
    • 10. 发明授权
    • Fuel injection control apparatus for engine
    • 发动机燃油喷射控制装置
    • US08235026B2
    • 2012-08-07
    • US12691498
    • 2010-01-21
    • Yohei YamaguchiYasuhiko Ishida
    • Yohei YamaguchiYasuhiko Ishida
    • F02M51/00F02D41/06
    • F02D41/0042F02D41/0032F02D41/0045F02D41/065F02D41/144F02D41/18F02D2200/0404F02D2200/0414
    • To improve a restart failure during fuel vapor occurrence, in a fuel injection control apparatus for an engine that is not equipped with a battery and starts the engine by a manual operation, the fuel injection control apparatus for an engine includes: an injector that supplies fuel to the engine based on pressure of the fuel supplied by a fuel pump; a power generating section for generating power based on rotation driving of a crank shaft of the engine; a starting device for manually starting the engine; and a control section for starting with power generation voltage by the power generating section and calculating a fuel injection amount based on an operation state of the engine. The control section includes: an injection amount calculating function unit that calculates, according to the operation state of the engine, an injection amount of the fuel to be supplied to the engine; an injection time conversion coefficient calculating function unit that calculates an injection time conversion coefficient for converting the injection amount into injector driving time based on a predicted fuel pressure value; and an injector driving time calculating function unit that calculates driving time of the injector based on an output of the injection amount calculating function unit and an output of the injection time conversion coefficient calculating function unit.
    • 为了改善在燃油蒸汽发生期间的重启故障,在用于不配备电池的发动机的燃料喷射控制装置中,通过手动操作来起动发动机的发动机的燃料喷射控制装置包括:供给燃料的喷射器 基于由燃料泵供给的燃料的压力而发动机; 发电部,其基于所述发动机的曲轴的旋转驱动而发电; 用于手动启动发动机的起动装置; 以及控制部分,用于通过发电部分开始发电电压,并且基于发动机的运行状态来计算燃料喷射量。 控制部包括:喷射量计算功能单元,其根据发动机的运转状态计算供给到发动机的燃料的喷射量; 喷射时间转换系数计算功能单元,其基于预测燃料压力值计算用于将喷射量转换为喷射器驱动时间的喷射时间转换系数; 以及喷射器驱动时间计算功能单元,其基于喷射量计算功能单元的输出和喷射时间转换系数计算功能单元的输出来计算喷射器的驱动时间。